Finding the Fourth Proportional to 2,938,656.64, 4,403,779.84 and 1,673,873.28
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Solution
The fourth proportional to 2,938,656.64, 4,403,779.84 and 1,673,873.28 is: 2,508,414.66
Step by Step Solution
- Step 1: Write the proportion equation
2,938,656.64 : 4,403,779.84 = 1,673,873.28 : x - Step 2: Convert to fraction form
2,938,656.64/4,403,779.84 = 1,673,873.28/x - Step 3: Cross multiply
2,938,656.64x = 4,403,779.84 × 1,673,873.28 - Step 4: Simplify right side
2,938,656.64x = 7,371,369,405,178.68 - Step 5: Solve for x
x = 7,371,369,405,178.68/2,938,656.64 - Step 6: Final answer
x = 2,508,414.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.